18
3) Mark point
a1
on the wall, in the middle of the horizontal line at
the left edge of the horizontal beam (see figure 5).
4) Turn the laser level counterclockwise until the right edge of the
horizontal beam reaches near
a1
, mark a point
a2
on the wall in
the middle of the horizontal beam (see figure 6).
a1
X
1.5m
Figure # 5
# הנומת
5
Approximately 5m
-כ
5
רטמ
a1
X
Xa2
Figure # 6
# הנומת
6
Figure # 5
Figure # 6